Axle Bearing & Seal - Semi-Floating Axle: Installation
- Lubricate bearing and seal lips with wheel bearing grease. Install bearing using Bearing Installer (J-23690) for 8 1/2" ring gear axle; (J-29709) on Eaton and 9 1/2" ring gear axles. Install bearing until installer bottoms against tube.
- Install oil seal using Oil Seal Installer (J-21128) for 8 1/2" ring gear axle; (J-29713) on Eaton and 9 1/2" ring gear axles. Install seal until it is flush with end of tube.
- Carefully install axle shaft. Ensure that splines on shaft engage splines on side gear. On 8 1/2" and 9 1/2" ring gear axles, push flanged end of axle shaft toward center of axle and install "C" clip.
- Pull axle shaft outward until "C" clips seats in side gear. Install pinion shaft, making sure that hole in shaft is lined up with lock screw hole. Install new lock screw and tighten to 25 ft. lbs. (34 N.m).
- On Eaton locking ring gear axle, install "C" lock while keeping pinion shaft partially withdrawn. Place "C" lock in thrust block. See Fig 1. Carefully withdraw axle shaft until "C" lock is clear of thrust block.
- When both locks are installed, install pinion shaft. Align hole in shaft with lock screw hole. Install new lock screw and tighten to 25 ft. lbs. (34 N.m).
- On all models, install cover plate using a new gasket. Fill axle with lubricant to a level even with bottom of filler hole. Reverse removal procedure to complete installation.
Courtesy of GENERAL MOTORS CORP.